/* General purpose hashing library * * That's a start of a kernel hashing library, which can be extended * with further algorithms in future. arch_fast_hash{2,}() will * eventually resolve to an architecture optimized implementation. * * Copyright 2013 Francesco Fusco <ffusco@redhat.com> * Copyright 2013 Daniel Borkmann <dborkman@redhat.com> * Copyright 2013 Thomas Graf <tgraf@redhat.com> * Licensed under the GNU General Public License, version 2.0 (GPLv2) */ #include <linux/jhash.h>#include <linux/hash.h>#include <linux/cache.h> static struct fast_hash_ops arch_hash_ops __read_mostly = {	.hash  = jhash,	.hash2 = jhash2,}; u32 arch_fast_hash(const void *data, u32 len, u32 seed){	return arch_hash_ops.hash(data, len, seed);}EXPORT_SYMBOL_GPL(arch_fast_hash); u32 arch_fast_hash2(const u32 *data, u32 len, u32 seed){	return arch_hash_ops.hash2(data, len, seed);}EXPORT_SYMBOL_GPL(arch_fast_hash2); static int __init hashlib_init(void){	setup_arch_fast_hash(&arch_hash_ops);	return 0;}early_initcall(hashlib_init);